1. The struggles and counterattacks of low-level warriors in troubled times broke the hereditary monopoly of vassal towns.
2. Stop wars with iron blood, establish military discipline with laws, save the people from fire and water, and reshape the order of China
3. Criticize the darkness of warlord wars in the troubled times of the Five Dynasties, and demonstrate the righteousness of the family and country to resist foreign aggression and protect the people.
4. Undercurrent theme: How a person's bottom line is gradually worn away by troubled times - Lin Yan finally succeeded, but he also lost almost everyone he cared about
